package com.gyz.cfmall.product.exception;

import com.gyz.common.exception.BizCodeEnum;
import com.gyz.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @Description
 * @Author GongYuZhuo
 * @Version 1.0.0
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.gyz.cfmall.product.controller")
public class CfMallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{}，异常类型：{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();

        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError) -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(), BizCodeEnum.VAILD_EXCEPTION.getMessage()).put("data", errorMap);
    }

    /**
     * @Description 使用@ExceptionHandler标注方法可以处理的异常。
     *
     */
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {

        log.error("错误：", throwable);
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMessage());
    }
}